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Critical cooling rate for the glass formation of ferromagnetic Fe80P13C7 alloy

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Acta Metallurgica Sinica (English Letters) Aims and scope

Abstract

In this paper the critical cooling rate, R c , for the glass formation of Fe80P13C7 alloy has been determined using both Uhlmann’s and Barandiaran-Colmenero’s method. In Uhlmann’s method, all kinds of the expressions of ΔG l−s (T) and η (T) determined using the different modes and methods had been investigated. It is indicated that the R c for the glass formation of Fe80P13C7 alloy can be estimated to be 349 K/s by Uhlmann’s method based on the appropriate expressions of ΔG l−s (T) and η (T). The calculated result accords with our experimental result. The R c for the glass formation of Fe80P13C7 alloy has also been determined to be 0.49 K/s using Barandiaran-Colmenero’smethod. This resultant R c is unreasonable low and it indicates that Barandiaran-Colmenero’s method does not suit to Fe-based alloy.

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Authors and Affiliations

  1. School of Physics Science and Technology, Xinjiang University, Urumqi, 830046, China

    Kai Xu, Yan Wang, Jinfeng Li & Qiang Li

  2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China

    Qiang Li

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  1. Kai Xu
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  2. Yan Wang
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  3. Jinfeng Li
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  4. Qiang Li
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Correspondence to Qiang Li.

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Xu, K., Wang, Y., Li, J. et al. Critical cooling rate for the glass formation of ferromagnetic Fe80P13C7 alloy. ACTA METALL SIN 26, 56–62 (2013). https://doi.org/10.1007/s40195-012-0117-1

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  • DOI: https://doi.org/10.1007/s40195-012-0117-1

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